sinus tachycardia
Posted inCondition S

Sinus Tachycardia

Sinus tachycardia is a condition where the sinoatrial (SA) node increases its firing rate, resulting in a heart rate exceeding 100 beats per minute while…
sinus headache
Posted inDiseases S

Sinus Headache

Sinus headache is characterized by pain and pressure in the face due to inflammation or infection of the paranasal sinuses. While commonly attributed to sinusitis,…
sinus bradycardia
Posted inCondition S

Sinus Bradycardia

Sinus bradycardia refers to a heart rhythm that originates from the sinoatrial (SA) node but at a rate slower than the normal resting threshold. Defined…
single lesion paucibacillary leprosy
Posted inDiseases S

Single Lesion Paucibacillary Leprosy

Single lesion paucibacillary (SLPB) leprosy is a distinct clinical presentation of Hansen’s disease characterized by a solitary skin lesion with no detectable bacilli on slit-skin…
simple-partial epilepsy
Posted inCondition S

Simple-Partial Epilepsy

Simple-partial epilepsy, also known as focal aware seizures, is a form of epilepsy where seizures originate in a specific area of the brain and do…
sideroblastic anemia
Posted inCondition S

Sideroblastic Anemia

Sideroblastic anemia is a heterogeneous group of blood disorders characterized by the bone marrow's inability to properly incorporate iron into hemoglobin despite adequate or increased…
sickle cell disease with crisis
Posted inDiseases S

Sickle Cell Disease with Crisis

Sickle cell disease (SCD) with crisis represents the acute, life-threatening episodes that occur in individuals with SCD, often requiring urgent medical intervention. These crises are…
sickle cell disease
Posted inDiseases S

Sickle Cell Disease

Sickle cell disease (SCD) is a group of inherited red blood cell disorders caused by a mutation in the HBB gene leading to the production…
sialorrhea
Posted inCondition S

Sialorrhea

Sialorrhea, commonly known as excessive drooling, refers to the unintentional loss of saliva from the mouth. It results either from hypersalivation or from impaired oral…